ACI council advances taller wind turbine tower building practice

Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff

The release of ACI ITG-9R-16: Report on Design of Concrete Wind Turbine Towers is timed with wind energy interests’ pursuit of extending structures to higher elevations with markedly more energy extraction potential than current generation towers (≤ 325 feet or 100 meters).

Read More

OSHA schedules meeting, opens nominations for Construction Advisory Committee

Source: Occupational Safety and Health Administration

The 15-member OSHA Advisory Committee on Construction Safety and Health (ACCSH) will meet November 30–December 1 in Washington, D.C. The agenda calls for remarks from agency chief Dr. David Michaels; a presentation clarifying Crane Standard requirements; plus, updates from the National Institute for Occupational Safety and Health, OSHA Directorate of Technical Support and Emergency Management, and National Safety Stand-Down campaign staff.

Read More

Dynegy contracts position Charah in eastern Great Lakes fly ash markets

Sources: Charah Inc., Louisville, Ky.; CP staff

A long-term agreement to manage and market coal combustion products (CCP) from Dynegy Inc. generating stations in Moscow (Zimmer Power) and North Bend (Miami Fort), Ohio, enables Charah to ship Class F fly ash by truck or rail to Ohio, Indiana, Kentucky, Michigan and Pennsylvania ready mixed and manufactured-concrete producers. The CCP management specialist will also market the stations’ bottom ash and contract for other material handling at each.

Read More